Unincorporated Lake County fences must stay out of street rights-of-way and off corner-lot visibility triangles. On corner lots, nothing may block sightlines between 3 and 10 feet high within a 20-foot triangle, though non-opaque fences are exempt.
Beyond height caps, the Lake County UDO governs where a fence may sit. Fences may not be located within existing or planned street rights-of-way, and the director may require a survey to confirm placement. On corner lots in all districts, an intersection visibility triangle is established: nothing may be erected, placed, planted, or grown between 3 feet and 10 feet above the intersection center-point within the triangle, formed by lines extending 20 feet along each street lot line. This prohibition does not apply to traffic/highway signs, public utility lines, or non-opaque fences. Fences and walls are among the obstructions allowed within street, side, and rear setbacks (Table 21-1).
A fence in the right-of-way or blocking a corner visibility triangle can be ordered removed; ongoing zoning violations are nuisances per se carrying citation penalties up to $2,500 (first) and $7,500 (subsequent) under IC 36-1-3-8.
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Lake County, IN
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